Home / 27,814.92-38,385.06-15,240.36

Finding the Fourth Proportional to 27,814.92, 38,385.06 and 15,240.36

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Solution

The fourth proportional to 27,814.92, 38,385.06 and 15,240.36 is: 21,031.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,814.92 : 38,385.06 = 15,240.36 : x
  2. Step 2: Convert to fraction form
    27,814.92/38,385.06 = 15,240.36/x
  3. Step 3: Cross multiply
    27,814.92x = 38,385.06 × 15,240.36
  4. Step 4: Simplify right side
    27,814.92x = 585,002,133.02
  5. Step 5: Solve for x
    x = 585,002,133.02/27,814.92
  6. Step 6: Final answer
    x = 21,031.95

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.